Lamp-heater.



No. 805,554. PATENTED NOV. 28, 1905. H. T. HYATT.

LAMP HEATER.

APPLICATION FILED DEG.14. 1904.

2 SHEETS-SHEET 1.

V w M7 f/'wwz 7 a.

flttarney PATENTED NOV. 28, 1905.

H. T. HYATT. LAMP HEATER.

APPLICATION FILED D3044. 1904.

2 SHEETS-SHEET 2.

'10 designates the lamp,

HENRY T. HYATT, .OF LONDON, CANADA.

LAMP-HEATER.

Specification of Letters Patent.

Patented Nov. 28, 1905.

Application filed December 14., 1904.. Serial No. 236,791.

T0 atZZ whom it may concern.-

' Be it known that I, HENRY T. HYATT, a subject of the King'of GreatBritain, and a resident of the city of London, in the county ofMiddlesex, in the Province of Ontario, Canada, have invented a certainnew and useful Lamp-Heater, of which the following is a specification.

This invention relates to a lamp which may be used for heating as wellas lighting, the object being to produce two distinct and desirableeffectsviz., to spread the draft or air entering around the flame at anangle from the flame to the annulus of exit and cause the flame tospread, and by causing the air to take this course and slightly holdingit at the annulus of exit a practically perfect and complete combustiontakes place, the oxygen of the air mixing with the outer layers of theflame; and this invention consists of a globe formed with a sphericalcombustion-chamber and with a cylindrical exit and a vessel orreceptacle located in the upper portion of said globe and supported fromthe upper rim thereof by arms in such a manner as to form in the upperexit portion of said globe an annulus of exit for the products ofcombustion; and it also consists of the improved construction and novelcombination of parts, as will be hereinafter first fully set forth anddescribed and then pointed out in the claim.

Reference being had to the accompanying drawings, Figure 1 is a sideview of a lamp, illustrating my invention in connection therewith. Fig.2 is an enlarged detail central vertical section of the large globe andthe vessel or receptacle located therein, which is used for light,nursery, or culinary purposes. Fig. 3 is a detail central verticalsection of a cylinder or tube open at both ends, which is located withinthe globe around the burner for the purpose of concentrating the heat onthe vessel or receptacle to facilitate the rapid heating of the contentsthereof. Fig. 1 is an enlarged detail perspective view of a shallowvessel or receptacle in which water 'or disinfectants may be heated fordiffusing them throughout the atmosphere of the room. Fig. '5 is anenlarged detail side view of a .cover which is supported above the upperrim of the globe for increasing the brilliancy of the light when thevessel or receptacle is removed when the lamp is not used for heatingpurposes.

In the accompanying drawings the numeral and 11 the burner thereof.

12 designates a glass globe resting on the gallery e of the burner 11,and said globe is formed with a spherical combustion-chamber a andcylindrical exit-chamber b. i

13 designates a vessel or receptacle provided with a cover 0.

14 designates arms secured to the side of the vessel or receptacle 13,which arms rest on the upper edge or rim of said globe 12 and supportsaid vessel or receptacle 13 centrally within said globe 12, and whensaid vessel 13 is supported centrally within the cylindrical exit 6 ofthe globe 12 an annulus of exit (Z for the products of combustion isformed between said vessel 13 and said globe 12.

15 designates a tube formed of mica, glass, or asbestos, which tube isopen at both ends, and one open end rests on the gallery 0 of the burnerinside of the globe 12, and said tube is adapted to terminate within ashort distance of the bottom of the vessel or receptacle 13 when thelatter is placed in proper position in said globe 12.

13 designates a shallow vessel or receptacle provided with arms 14,similar to the arms 14 of the vessel or receptacle 13, and said vessels13 and 13 are each provided with a handle 16, which provides aconvenient means for placing them in position on or removing them fromthe lamp. I

17 designates a separate and independent cover provided with the legs18, in which the recesses g are formed, and said legs and recesses arefitted to and adapted to rest on the upper edge or rim of the globe 12when the .vessels 13 or 13 are removed.

When the lamp is lighted and the vessel or receptacle 13 placed in theglobe 12, as described and as shown in Figs. 1 and 2, the draft or airentering the spherical combustion-chamber a at the burner around theflame spreads at an angle from the flame to the annulus of exit 03 andacross the bottom of the vessel or receptacle 13, which is deflectedback again by the upper portion of the spherical globular chamberagainst the side of the vessel 13 below and before it passes to theannulus of exit (Z, and this annulus of exit being of smaller diameterthan the spherical combustion compartment or chambera a slight block isformed at this point,-and because of said block (the large size of theglobe 12 making this effect possible, as Well as givingfree exit to theproducts of combustion to maintain the efficiency of the lamp) the airentering around the flame is not drawn straight up, as in an ordinary Iop the flame to the annulus of exit, causing the flame to spread, and bycausing the air to take this course a practically perfect and completecombustion takes place, the oxygen of the air mixing with the outerlayers of the flame. Thus the two distinct and desirable effects takeplaceviz. the spreading of the flame and the perfect and completecombustion even of the outer layers of the flame giving practically aperfect and complete combustion.

Whereas in the ordinary lamp-chimney, which tapers to a central openingat the top, thedrai't is central and the air entering around the flameat the bottom is drawn almost directly upward because of the taperingsides, which taper from the bottom to the top, and because of thetopbcing contracted, the enlargement of the glass gives very little ofthe spreading effect, because heated air takes the shortest courseupward. For the same reasons when the vessels or receptacles 13 or 13are removed by placing the cover 17 on the top of the globe 12 andinserting the upper edge or rim of the globe 12 in the recesses g of thelegs 18 a light of great brilliancy and high candle-power is produced.

The addition of the tube 15 concentrates the heat on the bottom of thevessel or receptacle 13. This quickly heats the contents of said vesseland causes them to boil much more rapidly than if the tube 15 was notused.

By the use of the vessel or receptacle 13 a very eflicient device isprovided for light, nursery, or culinary purposes,and by the use of theshallow vessel or receptacle 13 the air of a room may be readily andeasily impregnated with moisture, with an antiseptic or disinfectant, orwith a remedial agent.

While in the drawings forming part of this specification there isillustrated one form of construction embodying my invention which Iprefer, it is understood that the elements therein shown may be variedor changed as to shape, proportion, and exact manner of assemblagewithout departing from the spirit of my invention.

Having thus described my invention, I claim A device of the classdescribed comprising a globe, and means for supporting said globe on alamp, said globe being formed with a spherical combustion-chamber and acylindrical outwardly flaring exit chamber of smaller diameter than saidspherical combustion-chamber, a tapered vessel or receptacle located insaid globe, means for supporting said vessel in said globe, said vesselforming with said cylindrical exit-chamber of said globe a taperedannulus of exit for the products of combustion between said globe andsaid vessel, and a tube open at both ends supported at its lower openend on the burner within the globe, and its upper open end extendingabove the burner and to within a short distance of the bottom of saidvessel.

In testimony whereof I have signedin the presence of the two undersignedwitnesses.

HENRY T. HYATT.

\Vitnesses:

P. J. EDMUNDS, A. BYRICK.

